There are
2,057 mi
from Hayward, CA to Hazelwood, MO
That's the driving distance. It would take 1 day 11 hours to go from Hayward, California to Hazelwood, Missouri.
The flight distance (direct flight from Hayward, CA to Hazelwood, MO) is 1,714.36 mi.
2,057 mi = 3.22 kms